Features:

• Refillable flat surface pH electrode that can be reused by refilling the reference solution once it depletes
• Obtains continuous high accuracy using fresh reference solution
• Fast and easy steps to refill your electrode
• Eliminates the concern of electrode shelf life
• "Renew" feature alerts user when electrode needs replacement
• "CAL" indicator alerts user to recalibrate
• Analog bargraph originates at neutral point (pH 7.00) to conveniently view trends in acidity or alkalinity
• 1, 2, or 3 point buffer calibration; ATC
• Waterproof to IP57
• Complete with protective sensor cap, sample cup with cap, four 3V button batteries, 48" (1.2mm) neckstrap
• Accessory PH113 KCl Reference Refill Solution Kit for PH110